279205680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:959

約数の個数: 160

約数和(自身を含む): 941814720

約数和(自身を除く): 662609040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 109, 120, 130, 156, 195, 208, 218, 240, 260, 312, 327, 390, 436, 520, 545, 624, 654, 780, 821, 872, 1040, 1090, 1308, 1417, 1560, 1635, 1642, 1744, 2180, 2463, 2616, 2834, 3120, 3270, 3284, 4105, 4251, 4360, 4926, 5232, 5668, 6540, 6568, 7085, 8210, 8502, 8720, 9852, 10673, 11336, 12315, 13080, 13136, 14170, 16420, 17004, 19704, 21255, 21346, 22672, 24630, 26160, 28340, 32019, 32840, 34008, 39408, 42510, 42692, 49260, 53365, 56680, 64038, 65680, 68016, 85020, 85384, 89489, 98520, 106730, 113360, 128076, 160095, 170040, 170768, 178978, 197040, 213460, 256152, 268467, 320190, 340080, 357956, 426920, 447445, 512304, 536934, 640380, 715912, 853840, 894890, 1073868, 1163357, 1280760, 1342335, 1431824, 1789780, 2147736, 2326714, 2561520, 2684670, 3490071, 3579560, 4295472, 4653428, 5369340, 5816785, 6980142, 7159120, 9306856, 10738680, 11633570, 13960284, 17450355, 18613712, 21477360, 23267140, 27920568, 34900710, 46534280, 55841136, 69801420, 93068560, 139602840, 279205680]

約数ペア:

[(1, 279205680), (2, 139602840), (3, 93068560), (4, 69801420), (5, 55841136), (6, 46534280), (8, 34900710), (10, 27920568), (12, 23267140), (13, 21477360), (15, 18613712), (16, 17450355), (20, 13960284), (24, 11633570), (26, 10738680), (30, 9306856), (39, 7159120), (40, 6980142), (48, 5816785), (52, 5369340), (60, 4653428), (65, 4295472), (78, 3579560), (80, 3490071), (104, 2684670), (109, 2561520), (120, 2326714), (130, 2147736), (156, 1789780), (195, 1431824), (208, 1342335), (218, 1280760), (240, 1163357), (260, 1073868), (312, 894890), (327, 853840), (390, 715912), (436, 640380), (520, 536934), (545, 512304), (624, 447445), (654, 426920), (780, 357956), (821, 340080), (872, 320190), (1040, 268467), (1090, 256152), (1308, 213460), (1417, 197040), (1560, 178978), (1635, 170768), (1642, 170040), (1744, 160095), (2180, 128076), (2463, 113360), (2616, 106730), (2834, 98520), (3120, 89489), (3270, 85384), (3284, 85020), (4105, 68016), (4251, 65680), (4360, 64038), (4926, 56680), (5232, 53365), (5668, 49260), (6540, 42692), (6568, 42510), (7085, 39408), (8210, 34008), (8502, 32840), (8720, 32019), (9852, 28340), (10673, 26160), (11336, 24630), (12315, 22672), (13080, 21346), (13136, 21255), (14170, 19704), (16420, 17004)]